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National Security Agency (NSA) Archive

Documents by and relating to the National Security Agency (NSA).



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Title
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William F. Friedman NSA Collection
William F. Friedman NSA Collection
collection
7,617
ITEMS
607,002
VIEWS
collection

eye 607,002

The 7,000 William Friedman documents released by the NSA.
Venona Documents
Venona Documents
collection
2,690
ITEMS
205,516
VIEWS
collection

eye 205,516

The Venona project was a counter-intelligence program initiated by the United States Army Signal Intelligence Service (a forerunner of the National Security Agency) that lasted from 1943 to 1980. The program decrypted messages sent by Soviet Union intelligence agencies, including its foreign intelligence service and military intelligence services. The project produced some of the most important breakthroughs for western counter-intelligence, including the discovery of the Cambridge spy ring and...
Topics: Venona, Venona files, Venona documents, SIS, Signal Intelligence Service, US Army, NSA, National...
National Security Agency (NSA) Archive
by National Security Agency
texts

eye 7,877

favorite 7

comment 0

NSA UFO files
Topics: NSA, UFO, UFOs
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Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
National Security Agency (NSA) Archive
by National Security Agency
texts

eye 3,482

favorite 25

comment 3

Voynich Manuscript: An Elegant Enigma
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Topics: Voynich Manuscript, Voynich, NSA, National Security Agency
National Security Agency (NSA) Archive
by National Security Agency
texts

eye 714

favorite 0

comment 0

NSA monitoring of the Paris peace negotiations of 1972-73. These records were originally classified under the DELTA and GAMMA compartments, indicating that they were highly sensitive intercepts of diplomatic communications.
Topics: NSA, National Security Agency, Paris Peace Talks, Paris Peace Accords, Vietnam War, Henry...
National Security Agency (NSA) Archive
texts

eye 3,611

favorite 2

comment 0

NSA finding aid. Covers records and publications (classified and open source) collected by the Center for Cryptologic History.
Topics: NSA, National Security Agency, Center for Cryptologic History
National Security Agency (NSA) Archive
texts

eye 548

favorite 0

comment 0

Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
National Security Agency (NSA) Archive
texts

eye 1,621

favorite 4

comment 0

Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
NSA history
Topics: NSA, National Security Agency, Cryptologic Histories
National Security Agency (NSA) Archive
texts

eye 181

favorite 0

comment 0

Ask Beale 656742
Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act
NSA history
Topics: NSA, National Security Agency, Cryptologic Histories
National Security Agency (NSA) Archive
texts

eye 374

favorite 0

comment 0

Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
National Security Agency (NSA) Archive
texts

eye 562

favorite 3

comment 0

Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
Military Cryptanalytics, Part Ii, Interim Edition (SECOND Section); Lambros D. Callimahos And William F. Friedman
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
German Radio Intelligence (BY Albert Praun, Former Lt. Gen.); Dept. Of The Army Office Of The Chief Of Military History. Includes Nsa Memo And Comments On Report
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Telemetry Intelligence (TELINT) During the Cold War
Topics: NSA, TELINT, Telemetry, Cold War
William F. Friedman NSA Collection
by William F. Friedman
texts

eye 1,322

favorite 0

comment 0

Division Field Code No.4
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
texts

eye 513

favorite 1

comment 0

Study Of The Beale Papers, 15 August 1949
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Venona Documents
texts

eye 1,242

favorite 4

comment 0

The Venona Story
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
National Security Agency (NSA) Archive
texts

eye 124

favorite 1

comment 0

NSA history
Topics: NSA, National Security Agency, Prohibition
Venona Documents
by NSA
texts

eye 91

favorite 0

comment 0

18may isaac folkoff
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
William F. Friedman NSA Collection
texts

eye 107

favorite 0

comment 0

Dissemination Of Top Secret Code Word Material
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Military Cryptanalytics, Part I, Monoalphabetic Substitution Systems; Friedman And Callimahos
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Military Cryptanalytics, Part Ii, Interim Edition (FIRST Section): Periodic Polyalphabetic Substitution Systems; William F. Friedman And Lambros D. Callimahos
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Studies In German Diplomatic Codes Employed During The (FIRST) World War
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Venona Documents
by NSA
texts

eye 84

favorite 1

comment 0

28mar handling of zora
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
National Security Agency (NSA) Archive
texts

eye 1,985

favorite 3

comment 0

NSA Methodology for Adversary Obstruction
Topics: NSA, National Security Agency
National Security Agency (NSA) Archive
by National Security Agency
texts

eye 290

favorite 1

comment 0

NSA brochure
Topics: NSA, National Security Agency, Enigma Machine
National Security Agency (NSA) Archive
by National Security Agency
texts

eye 167

favorite 0

comment 0

NSA history
Topics: NSA, National Security Agency, Cryptologic Histories
Russian Dictionary Reverse Alphabetic Sort; Nsa-725 Crypto-Linguistic Working Aid No.3
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
by William F. Friedman
texts

eye 1,238

favorite 5

comment 0

The Friedman Lectures On Cryptology
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
CIA, NSA Files & White House Recordings relating to the Cuban Missile Crisis.
Topics: CIA, NSA, White House, National Security Agency, Central Intelligence Agency, Cuba, Cuban Missile...
William F. Friedman NSA Collection
texts

eye 169

favorite 0

comment 0

A Poem For A Birthday Celebration On April 6th
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
texts

eye 1,362

favorite 5

comment 0

Basic Cryptography; Dept Of Army Technical Manual Tm32-220
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
texts

eye 195

favorite 0

comment 0

National Security Agency, Military Cryptanalytics, Part I
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Venona Documents
by NSA
texts

eye 103

favorite 0

comment 0

1mar viktor
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
National Security Agency (NSA) Archive
texts

eye 90

favorite 0

comment 0

NSA history
Topics: NSA, National Security Agency, Cryptologic Histories
The Zimmermann Telegram Of January 16, 1917 And Its Cryptographic Background
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
Final Report And Papers Of The U.K.-U.S. Conference On The Communications Security Of The Nato Countries (USCIB 23/65); 88th Meeting Of Uscib, 10 July 1953
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act, History...
Venona Documents
by NSA
texts

eye 86

favorite 0

comment 0

30mar kgb operations
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
Letter From Admiral Wenger To General Electric Re Prospective Member Of Nsasab
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Military Cryptanalysis, Part I, Monoalphabetic Substitution System; 4th Edition, Friedman , Revised And Enlarged By Callimahos
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
National Security Agency (NSA) Archive
texts

eye 232

favorite 0

comment 0

Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
Joint Invention Of A System And Means For Enciphering And Deciphering Magnetically-Recorded Signals
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Operating Services Division Executive Committee - Minutes Of Meeting Held 21 February 1945
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
American Army Field Codes In The American Expeditionary Forces During The First World War
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Interview By Dr. Dulany Terrett, Captain Frederick Reinstein Office Of Military History, Of Mr. William F. Friedman And Captain Mark Rhoads, Signal Corps Reserve
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Military Cryptanalysis, Part Iv - Transposition And Fractionating Systems; By William F. Friedman For The War Department's Chief Signal Officer
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Military Cryptanalysis Part Iv Transposition And Fractionating Systems By William F Friedman
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
National Security Agency (NSA) Archive
by National Security Agency
texts

eye 177

favorite 0

comment 0

NSA history; originally requested by John Young of Cryptome.
Topics: NSA, National Security Agency, Mathematical Cryptanalysis
Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
Venona Documents
texts

eye 73

favorite 0

comment 0

28mar isachenkov kolesniknov
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
Request For Personnel Action, Mar 1951; Cancellation Of Appointment Action Pending Afsa-Oot-1
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Venona Documents
by NSA
texts

eye 77

favorite 0

comment 0

6dec petelin
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
Venona Documents
by NSA
texts

eye 77

favorite 0

comment 0

24aug gnome affair
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
William F Friedman Letter: To Mr Harold H Beverage, Mr Beverage Is A Prospective Nsasab Panel Member
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
by William F. Friedman
texts

eye 117

favorite 0

comment 0

The T. And T. Cipher System
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Request To Release Patented Cryptographic Equipment To British: Letter To Asa By Inventors Friedman And Rowlett
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Request For Personnel Action - Afsa-Oot Appointments; Position Establishment And Cancellation
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
by William F. Friedman
texts

eye 217

favorite 0

comment 0

Cryptanalysis Training Aid
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Accounting Procedure For Packaged Cryptographic Machines, 11 September 1947
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Operating Services Division Executive Committee - Minutes Of Meeting Held 31 January 1945
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
texts

eye 80

favorite 0

comment 0

Replacement Of Director, Gchq; Gchq Organization, 1950-1952
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
texts

eye 82

favorite 0

comment 0

William F. Friedman Letter: To Mr. W. J. Galbraith
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
William F. Friedman NSA Collection
by William F. Friedman
texts

eye 289

favorite 0

comment 0

Basic Cryptologic Glossary
Topics: NSA, Cryptography, National Security Agency, Friedman, William F. Friedman
Venona Documents
texts

eye 104

favorite 0

comment 0

23dec german military ops
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
Venona Documents
texts

eye 86

favorite 0

comment 0

13sep reassignment officers
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
Venona Documents
texts

eye 94

favorite 0

comment 0

15jun us diplomatic policy
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
National Security Agency (NSA) Archive
texts

eye 469

favorite 0

comment 0

Topics: NSA, National Security Agency, FOIA, Freedom of Information, Freedom of Information Act,...
Venona Documents
by NSA
texts

eye 73

favorite 0

comment 0

2jun msg from moscow
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
Venona Documents
texts

eye 174

favorite 0

comment 0

16nov problems indonesia
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War
Venona Documents
by NSA
texts

eye 69

favorite 0

comment 0

22jan amend telegram
Topics: NSA, National Security Agency, Venona, Venona files, SIGINT, COMINT, Cold War